Home / 122,783.07-169,438.92-69,068.10

Finding the Fourth Proportional to 122,783.07, 169,438.92 and 69,068.10

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Solution

The fourth proportional to 122,783.07, 169,438.92 and 69,068.10 is: 95,313.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,783.07 : 169,438.92 = 69,068.10 : x
  2. Step 2: Convert to fraction form
    122,783.07/169,438.92 = 69,068.10/x
  3. Step 3: Cross multiply
    122,783.07x = 169,438.92 × 69,068.10
  4. Step 4: Simplify right side
    122,783.07x = 11,702,824,270.45
  5. Step 5: Solve for x
    x = 11,702,824,270.45/122,783.07
  6. Step 6: Final answer
    x = 95,313.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.